1·I don't know where this thing happen, but it should be at rural and ungated areas. Local citizens are not well educated, and so they are ignorant.
我不知道这个事情发生在哪里，但应该是在农村或比较闭塞的地方。当地人没有受过很好的教育，所以很愚昧。
2·The characteristics of an ungated overflow spillway are investigated. Some important design aspect and hydraulic computation methods for the spillway entrance zone are discussed.
本文分析了无闸控制溢洪道的特点，讨论了溢洪道进口段水力设计中的几个主要问题和水力计算方法。